Chargaff’s Experiment

Which bases pair with each other?

• Guanine and Adenine

• Cytosine and Guanine

• Adenine and Cytosine

• Thymine and Guanine

Do Chargaff’s ratios apply to all living organisms with double stranded DNA?

• Yes

• No

• Most of the time

• Sometimes

Which technique did Ernst Vischer use to separate the different bases of DNA?

• Crystallization

• Extraction

• Chromatography

• Distillation

How did Chargaff use UV spectrophotometry in his experiments?

• To find the amount of each base

• Take a photo using UV light

• To determine the concentration of acid

• To see DNA at a microscopic level

Tags

NGSS.HS-PS4-3

What makes DNA more credible than protein?

• It is the powerhouse of the cell

• The diversity in the composition of DNA

• The amount of acid varies between different species

• Protein is actually more reliable than DNA

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NGSS.HS-LS1-1

What is the specific Chargaff ratio?

• 1:2

• 2:1

• 1:1

• 3:1

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NGSS.HS-LS1-1